Sinister Diesel - Manufacturing Videos


Sinister Parts getting anodized in Sinister Blue. The electric process increases the thickness of the natural oxide layers and absorbs the dye to get parts that are protected from rust and corrosion. This keeps the parts lasting longer and looking good.

Metal bars are fed into the lathe machine to machine accessory parts such as bolts.

Sinister parts getting powdercoated. This process includes putting an electrostatic coating of a powdered color and then heating the parts to get the shiny blue effect.

Enter the polishing room to see one of our dirtiest jobs. Multiple levels of polishing create a shiny, scratch-free surface to powdercoat our parts.

We put a lot of care in making your parts and just as much care in packaging and getting them to you.

Not all the work is done under the hood or behind a welder. We have an R&D team that researches and develops more efficient and powerful ways to keep your truck going.

Our lead welder working on 6.0 headers.